Why why why do clocks have hands?
Series: Why why why; Why why why
Publisher: Mason Crest
Published: 2009
Place of publication: Broomall, Pa
Language: eng
Number of pages: 32
ISBN-13: 9781422215807
Copyright date: 2006
Subjects: Juvenile literature; Inventions
Description: Answers questions about inventions and technology, including questions about the earliest inventions, first car, jumbo jet, and microwaves.
Notes: Includes index.